GEOFIX

Underpinning

who we are

Empowering Structural Growth

At GeoFix, we go beyond being just a company; we are your trusted partner in geotechnical engineering, delivering excellence throughout New Zealand. Our skilled engineers in Auckland combine local geological expertise with cutting-edge solutions to tackle each project’s unique challenges. Specialising in a wide range of geotech services, from in-depth site assessments to advanced foundation repair, we provide tailored solutions that ensure long-term stability. Whether you’re in Auckland or elsewhere in New Zealand, GeoFix is your go-to expert for reliable geotech engineering. Let us help you build a more stable and resilient future through precision and innovation.

 
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Revitalising Your Home's Foundation

Geofix is your dependable partner for structural stabilization and repair. Our skilled team offers comprehensive underpinning services aimed at reinforcing and levelling the foundations of your home or building. We provide robust solutions to avert further subsidence and restore stability to your structure by deepening your foundation or improving the soil conditions beneath it. Our underpinning services are tailored to address the specific challenges of each building, offering clients a trustworthy method to restore and uphold the integrity of their building’s foundation.

What is Underpinning?

Underpinning is a specialised construction process that strengthens and stabilises a building’s foundation. This solution involves extending the foundation to a more stable soil layer or distributing the building’s load over a larger area to enhance its load-bearing capacity.

A foundation’s integrity can be impacted by several things. These include erosion, subsidence, broken services that lead to water saturation, poorly designed foundations, large trees on the property, or even drought conditions. When these problems appear, underpinning becomes necessary to prevent further damage and guarantee structural safety.

The three primary methods of underpinning are:

  • Concrete Footings: This old-school technique involves building new concrete footings deeper and/or wider than the current foundation to provide stability and limit mobility.
  • Screw-Pile: This technique uses a more secure soil basis, using steel piers next to the current concrete footings. Once jacked up to its original position, the building can be sealed to eliminate any gaps or fractures.
  • Polyurethane Resin Injection: The contemporary method injects polyurethane resin into the earth around the shaky foundation. Resin’s expanding qualities force the soil to be dynamically compressed and fill spaces beneath the footings, boosting its bearing capacity.
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Why Do You Need Underpinning?

Underpinning plays a vital role in improving the stability of a structure.

  • It optimises load allocation. Underpinning ensures that the foundation can more effectively bear the weight of the building by redistributing the load over a larger area or onto more competent ground.
  • It strengthens the foundations. Underpinning provides extra reinforcement to a building by deepening the foundation or improving the soil quality beneath it. This process generally involves excavating around the foundation to access a more stable soil layer. This enables the placement of new underpinning footings. Techniques like traditional concrete underpinning and conventional mass methods deliver robust and lasting solutions to reinforce the structure.
  • It decreases the chance of additional subsidence. Underpinning stabilises the foundation and prevents further settlement or sinking of the building. This is accomplished by treating the underlying reasons, including erosion, poorly compacted soil, or housing subsidence. Because of this, not only is the structure guaranteed to be stable over the long term, but it also helps to prevent the need for more comprehensive and expensive repairs in the future.
  • It closes cracks and gaps. Our techniques enable the elevation of a building, effectively sealing any existing fissures and openings within the structure. This crucial process reinstates the building’s structural soundness, ensuring property owners are pleased with the outcome.
What Does Underpinning Do?

Underpinning serves several critical functions, including enhancing the stability of a building.

  • Reinforces foundations. Underpinning offers additional support to the structure by either increasing the foundation’s depth or enhancing the soil’s quality beneath it. To achieve this, the area surrounding the foundation is typically excavated to reach a more stable layer of soil. This allows for the installation of new underpinning footings. Traditional concrete underpins, and conventional mass techniques offer strong and permanent solutions to support the structure.
  • Reduces the risk of further subsidence. Underpinning is applied to the foundation to stabilise it and prevent further settlement or sinking of the building. This is accomplished by treating the underlying reasons, including erosion, poorly compacted soil, or housing subsidence. Because of this, not only is the structure guaranteed to be stable over the long term, but it also helps to prevent the need for more comprehensive and expensive repairs in the future.
  • Closes cracks and gaps. Methods such as screw-piling allow the building to be jacked up, effectively closing any cracks and gaps that may already be present in the structure. This essential step restores the structure’s structural integrity and ensures the property owners are satisfied.
  • Improves load distribution. By redistributing the load over a larger area or onto more competent ground, underpinning ensures that the foundation can more effectively bear the weight of the building.
Call Geofix Today for Underpinning Services

When it comes to your property’s foundation, you deserve top-notch attention. Entrusting your underpinning requirements to expert repair professionals guarantees that the groundwork will be fortified efficiently, ensuring your satisfaction with the outcome.

At Geofix, we understand the importance of a solid foundation for ensuring the safety and durability of your property, be it residential, commercial, or industrial. Our team of seasoned experts is committed to delivering top-notch underpinning solutions customised to address your property’s unique requirements. Whether you’re facing minor fractures or significant structural challenges, we have the skills and equipment necessary to restore your property’s stability.

Our simple process involves:

Initial Assessment: We comprehensively evaluate your foundation to pinpoint the root problems and suggest the most suitable method for underpinning.

Tailored Solutions: After evaluating your situation, we craft a foundation plan that meets your unique requirements, ensuring favourable results.

Professional Implementation: Our team utilises cutting-edge tools and methods to execute the underpinning process efficiently and effectively.

Post Underpinning: We offer continuous assistance and upkeep to guarantee your foundation’s reliability and security.

YOUR TRUSTED PARTNER IN ENGINEERING EXCELLENCE

Transforming the Future
of Infrastructure

GeoFix revolutionises infrastructure solutions through expert and innovative strategies tailored to engineering challenges. We prioritise convenience by collaborating closely with clients from consultation to completion, ensuring a seamless experience. Our diverse services, covering everything from construction to maintenance, meet unique project needs efficiently and reliably. Choose GeoFix for a dependable partnership that allows you to focus on your project’s success.

What We Fix

Soil Stabilisation

Strengthening and stabilising soil to prevent shifting and support structural foundations.
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Seismic Strengthening

Strengthening structures to improve their resistance and stability during seismic events.
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Concrete Releveling

Releveling concrete surfaces to correct unevenness, restore balance, and ensure long-term durability.
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Void Filling

Filling voids beneath concrete structures to stabilise and prevent further settlement or collapse.
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Seawall Repair

Repairing seawalls to reinforce their structure, prevent erosion, and protect against coastal damage.
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